Millbrae Weather in May

Millbrae in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 11°C (52°F). With just 7.9 mm (0.3 in) of rainfall on average, rain is rarely an issue.

Rainfall in Millbrae in May

Typically around 3 days of rainfall are expected, averaging 7.9 mm (0.3 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Millbrae in May

May in Millbrae is generally excellent, with days reaching 20°C (68°F) and nights settling around 11°C (52°F). Conditions are often most pleasant around the middle of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Millbrae in May

The days are predominantly sunny, with an estimated total of around 324 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Millbrae in May

Wind speeds average 6 m/s (12 knots) during May. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in May

The water temperature is 13°C (55°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Millbrae.